Ngene, S. Lala, F., Nzisa, M., Kimitei, K., Mukeka, M., Kiambi, S., Davidson, Z., Bakari, S., Lyimo, E., Khayale, C., Ihwagi, F., Douglas-Hamilton, I. 2017. Aerial total count of elephants, buffalo and giraffe in the Tsavo – Mkomazi ecosystem (February 2017).